import { basic } from '../mixins/basic';
import { observe } from '../mixins/observer/index';

function mapKeys(source, target, map) {
    Object.keys(map).forEach((key) => {
        if (source[key]) {
            target[map[key]] = source[key];
        }
    });
}

function VantComponent(vantOptions = {}) {
    mapKeys(vantOptions, options, {
        data: 'data',
        props: 'properties',
        mixins: 'behaviors',
        methods: 'methods',
        beforeCreate: 'created',
        created: 'attached',
        mounted: 'ready',
        relations: 'relations',
        destroyed: 'detached',
        classes: 'externalClasses'
    });
    const { relation } = vantOptions;

    if (relation) {
        options.relations = Object.assign(options.relations || {}, {
            [`../${relation.name}/index`]: relation
        });
    } // add default externalClasses

    options.externalClasses = options.externalClasses || [];
    options.externalClasses.push('custom-class'); // add default behaviors

    options.behaviors = options.behaviors || [];
    options.behaviors.push(basic); // map field to form-field behavior

    if (vantOptions.field) {
        options.behaviors.push('wx://form-field');
    } // add default options

    options.options = {
        multipleSlots: true,
        addGlobalClass: true
    };
    observe(vantOptions, options);
	// 这里注释掉了，在2022.3.11
    // export default {
    //     data() {
    //         return {};
    //     }
    // };
}

export { VantComponent };
